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Men and women discussing hairy cell leukaemiaAbout hairy cell leukaemia

This section tells you what hairy cell leukaemia (HCL) is and how it develops. It includes information about the causes and symptoms of HCL.

There are several other type of leukaemia, so please make sure you are in the right section.  Go to our general leukaemia page if you are in any doubt.